h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 472

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 Synchronous Serial Communication Unit (SSU)
Rev. 3.00 Oct 04, 2005 page 432 of 598
REJ09B0155-0300
Bit
2
1
Bit Name
TDRE
RDRF
Initial Value
1
0
R/W
R/W
R/W
Description
Transmit Data Register Empty
Indicates whether or not SSTDR contains transmit
data.
[Setting conditions]
[Clearing conditions]
Receive Data Register Full
Indicates whether or not SSRDR contains
received data.
[Setting condition]
[Clearing conditions]
When the TE bit in SSER is 0
When data is transferred from SSTDR to
SSTRSR and SSTDR is ready to be written to.
When 0 is written to the TDRE bit after reading
TDRE
When data is written to SSTDR with TE
When receive data is transferred from
SSTRSR to SSRDR after successful data
reception
When 0 is written to RDRF after reading
RDRF
When received data is read from SSRDR
1
1
1